Analysing the evidence previously collected, it appears that some of the Ottoman experiments that escaped from the secret facility are living in the sewers beneath Sibenik. They seem to be controlled by some sort of organising intelligence (presumably one of the more successful Ottoman "experiments"). It would also appear that the experimental facility was using a Starstone as its energy source, which the escapees have taken with them.
The full batrep and pictures is on the blog https://grahamsgaming.blogspot.com/2021/03/starstones-campaign-chapter-three.html
(https://live.staticflickr.com/65535/51022648886_d5c1b534c4_o.jpg) (https://flic.kr/p/2kJGpUS)
(https://flic.kr/p/2kJGpUS)
More good fun ! :P
Awesome Graham!